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ICD-10-CM Codes
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Q00-Q99
Congenital malformations, deformations and chromosomal abnormalities
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Q80-Q89
Other congenital malformations
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Q85-
Phakomatoses, not elsewhere classified
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2022 ICD-10-CM Diagnosis Code Q85.9
2022 ICD-10-CM Diagnosis Code Q85.9
Phakomatosis, unspecified
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code POA Exempt
- Q85.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2022 edition of ICD-10-CM Q85.9 became effective on October 1, 2021.
- This is the American ICD-10-CM version of Q85.9 - other international versions of ICD-10 Q85.9 may differ.
The following code(s) above
Q85.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
Q85.9:
- Bilateral retinal hamartoma
- Bilateral retinal hamartoma (eye condition)
- Hamartoma of retina
- Hamartomatous disease
- Hamartoses
- Left retinal hamartoma
- Left retinal hamartoma (eye condition)
- Neurocutaneous syndrome
- Phakomatosis
- Phakomatosis (eye condition)
- Retinal hamartoma
- Right retinal hamartoma
- Right retinal hamartoma (eye condition)
- Vascular hamartoma of skin
Clinical Information
- A group of disorders characterized by ectodermal-based malformations and neoplastic growths in the skin, nervous system, and other organs.
- A hereditary syndrome affecting the central nervous system that is associated with lesions of the skin and retina. Representative examples include neurofibromatosis, tuberous sclerosis, von hippel-lindau syndrome, and sturge-weber syndrome.
Present On AdmissionPOA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
- Q85.9 is considered exempt from POA reporting.
ICD-10-CM Q85.9 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
- 826 Myeloproliferative disorders or poorly differentiated neoplasms with major o.r. Procedures with mcc
- 827 Myeloproliferative disorders or poorly differentiated neoplasms with major o.r. Procedures with cc
- 828 Myeloproliferative disorders or poorly differentiated neoplasms with major o.r. Procedures without cc/mcc
- 829 Myeloproliferative disorders or poorly differentiated neoplasms with other procedures with cc/mcc
- 830 Myeloproliferative disorders or poorly differentiated neoplasms with other procedures without cc/mcc
- 843 Other myeloproliferative disorders or poorly differentiated neoplastic diagnoses with mcc
- 844 Other myeloproliferative disorders or poorly differentiated neoplastic diagnoses with cc
- 845 Other myeloproliferative disorders or poorly differentiated neoplastic diagnoses without cc/mcc
Convert Q85.9 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
ICD-10-CM Codes Adjacent To Q85.9
Q84.9 Congenital malformation of integument, unspecified
Q85 Phakomatoses, not elsewhere classified
Q85.0 Neurofibromatosis (nonmalignant)
Q85.00 Neurofibromatosis, unspecified
Q85.01 Neurofibromatosis, type 1
Q85.02 Neurofibromatosis, type 2
Q85.09 Other neurofibromatosis
Q85.8 Other phakomatoses, not elsewhere classified
Q85.9
Phakomatosis, unspecified
Q86 Congenital malformation syndromes due to known exogenous causes, not elsewhere classified
Q86.0 Fetal alcohol syndrome (dysmorphic)
Q86.1 Fetal hydantoin syndrome
Q86.2 Dysmorphism due to warfarin
Q86.8 Other congenital malformation syndromes due to known exogenous causes
Q87 Other specified congenital malformation syndromes affecting multiple systems
Q87.0 Congenital malformation syndromes predominantly affecting facial appearance
Q87.1 Congenital malformation syndromes predominantly associated with short stature
Q87.19 Other congenital malformation syndromes predominantly associated with short stature
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
